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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<h4><a name = "tag_000_007_601">&nbsp;</a>NAME</h4><blockquote>
memcpy - copy bytes in memory
</blockquote><h4><a name = "tag_000_007_602">&nbsp;</a>SYNOPSIS</h4><blockquote>
<pre><code>

#include &lt;<a href="string.h.html">string.h</a>&gt;

void *memcpy(void *<i>s1</i>, const void *<i>s2</i>, size_t <i>n</i>);
</code>
</pre>
</blockquote><h4><a name = "tag_000_007_603">&nbsp;</a>DESCRIPTION</h4><blockquote>
The
<i>memcpy()</i>
function copies
<i>n</i>
bytes from the object pointed to by
<i>s2</i>
into the object pointed to by
<i>s1</i>.
If copying takes place between objects that overlap, the
behaviour is undefined.
</blockquote><h4><a name = "tag_000_007_604">&nbsp;</a>RETURN VALUE</h4><blockquote>
The
<i>memcpy()</i>
function returns
<i>s1</i>;
no return value is reserved to indicate an error.
</blockquote><h4><a name = "tag_000_007_605">&nbsp;</a>ERRORS</h4><blockquote>
No errors are defined.
</blockquote><h4><a name = "tag_000_007_606">&nbsp;</a>EXAMPLES</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_007_607">&nbsp;</a>APPLICATION USAGE</h4><blockquote>
The
<i>memcpy()</i>
function does not check for the overflowing of the receiving memory
area.
</blockquote><h4><a name = "tag_000_007_608">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_007_609">&nbsp;</a>SEE ALSO</h4><blockquote>
<i><a href="string.h.html">&lt;string.h&gt;</a></i>.
</blockquote><h4>DERIVATION</h4><blockquote>
Derived from Issue 1 of the SVID.
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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